TY - JOUR AU - Robisson P. PY - 1992// TI - Vocalizations in Aptenodytes penguins: application of the two-voice theory. T2 - Auk JO - Auk SP - 654 EP - 658 VL - 109 IS - 3 SN - 0004-8038 N1 - exported from refbase (http://publi.ipev.fr/polar_references/show.php?record=348), last updated on Tue, 28 Apr 2009 12:02:20 +0200 ID - RobissonP.1992 ER -